Value-aware Approximate Attention Ankit Gupta author Jonathan Berant author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication gupta-berant-2021-value 10.18653/v1/2021.emnlp-main.753 https://aclanthology.org/2021.emnlp-main.753/ 2021-11 9567 9574